Tricycle



FIG. 1 is a perspective view of the tricycle;

FIG. 2 is a right side elevational view of the tricycle;

FIG. 3 is a left side elevational view of the tricycle;

FIG. 4 is a front elevational view of the tricycle;

FIG. 5 is a rear elevational view of the tricycle;

FIG. 6 is a top plan view of the tricycle; and,

FIG. 7 is a bottom plan view of the tricycle.

The features shown in broken lines form no part of the claimed design. 

The ornamental design for a tricycle, as shown and described. 